From owner-freebsd-current@FreeBSD.ORG  Mon May 17 10:46:23 2004
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To: Edwin Culp <eculp@encontacto.net>
In-reply-to: Your message of "Mon, 17 May 2004 12:38:55 CDT."
             <20040517123855.s3s4gg4swckcogok@mail.encontacto.net> 
Date: Mon, 17 May 2004 10:46:21 -0700
From: "Kevin Oberman" <oberman@es.net>
Message-Id: <20040517174621.34F955D0A@ptavv.es.net>
cc: current@freebsd.org
Subject: Re: ad2: FAILURE - READ_DMA status=51<READY,DSC,ERROR>
	error=84<ICRC,ABORTED> LBA=0 
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> Date: Mon, 17 May 2004 12:38:55 -0500
> From: Edwin Culp <eculp@encontacto.net>
> Sender: owner-freebsd-current@freebsd.org
> 
> I'm running current as of yesterday.  I connected an older
> current disk [probably 6 months] that has some important
> information.  I thought that it would be trivial to mount it and
> copy the info to my current disk.  I tried and am getting:
> 
> ad2: 29311MB <Maxtor 53073U6> [59554/16/63] at ata1-master UDMA66
> ad2: WARNING - READ_DMA UDMA ICRC error (retrying request) LBA=0
> ad2: WARNING - READ_DMA UDMA ICRC error (retrying request) LBA=0
> ad2: FAILURE - READ_DMA status=51<READY,DSC,ERROR>
> error=84<ICRC,ABORTED> LBA=0
> ad2: WARNING - READ_DMA UDMA ICRC error (retrying request) LBA=0
> ad2: WARNING - READ_DMA UDMA ICRC error (retrying request) LBA=0
> ad2: FAILURE - READ_DMA status=51<READY,DSC,ERROR>
> error=84<ICRC,ABORTED> LBA=0
> 
> Could this be caused by changes in current, a configuration issue
> that I'm missing or is it a probable hardware failure?

Probably not a useful suggestion, but is the disk jumpered as MASTER? 'ad2'
is normally the master of the second IDE bus. 
-- 
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman@es.net			Phone: +1 510 486-8634